20+ Best Alternatives to Realm in 2026
AI-powered security data pipeline for modern security operations
Looking for an alternative to Realm? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Upwind
$430MRuntime-first cloud security platform
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 2View alternative →
XBOW
$237MAutonomous offensive security AI
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 3View alternative →
Noma Security
$132MEnd-to-end security for agentic AI
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Pricing not listed
- 4View alternative →
Snyk
$1.3BThe AI Security Fabric for securing code, models, and agents in the age of AI-driven development.
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 5View alternative →
WitnessAI
$85.5MAI safety and governance platform for the enterprise
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 6View alternative →
Torq
$332MAgentic AI platform for the autonomous SOC
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 7View alternative →
Vega Security
$185MAI-native security analytics mesh
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Pricing not listed
- 8View alternative →
Saviynt
$870MAI-powered identity security for humans, machines, and AI agents
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 9View alternative →
Oasis Security
$195MAgentic access management to secure AI agents and non-human identities
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 10View alternative →
Endor Labs
$188MAI-native application security platform for the AI-generated code era
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 11View alternative →
GitGuardian
$106MSecrets detection and non-human identity security platform
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 12View alternative →
Reality Defender
$48MReal-time deepfake detection for enterprises, platforms, and governments
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 13View alternative →
Doppel
$105MAI-native platform for social engineering defense that protects brands and individuals from
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 14View alternative →
Cyberhaven
$250MAI-powered data protection built on data lineage and behavioral analysis
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 15View alternative →
Astrix Security
$70MIdentity security for AI agents and non-human identities
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 16View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 17View alternative →
Semgrep
$204MAutonomous code security and static analysis for developers
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 18View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Hardware + subscription (contact sales)
- 19View alternative →
Tenzai
$75MAI-powered penetration testing platform that runs full, end-to-end pentests autonomously
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Free
- 20View alternative →
Armadin
$189.9MAutonomous AI red-teaming for the era of AI hyperattacks
Why it's similar: Shares categories with Realm — AI for Cyber Defense.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Realm?
The top-ranked alternatives to Realm on NeuronFeed are Upwind, XBOW, Noma Security, Snyk, WitnessAI. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Realm?
Yes — Snyk, Endor Labs, GitGuardian offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Realm, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Realm vs Upwind — which is better?
It depends on use case. Upwind (Runtime-first cloud security platform) is the #1-ranked alternative. See the full side-by-side at /compare/realm-security-vs-upwind-security.
Explore more around Realm
Contextual paths to related AI startups, deals and rankings.